U.S. National Fungus Collections

Mycology and Nematology Genetic Diversity and Biology Laboratory | Beltsville Agricultural Research Center | Northeast Area The U.S. National Fungus Collections are the repository for over one million fungal specimens worldwide and are the largest such collections in the world. Information associated with these specimens constitute an enormous data resource, especially about plant-associated fungi. Data is available through the Fungal Database, including fungus-host information.